Package fr.dyade.aaa.common.encoding

Class ByteBufferEncoder

java.lang.Object

fr.dyade.aaa.common.encoding.ByteBufferEncoder

All Implemented Interfaces:

Encoder

public final class ByteBufferEncoder
extends Object
implements Encoder

Encoder using a byte buffer.

Field Summary

Fields

Modifier and Type	Field	Description
private ByteBuffer	buf

Constructor Summary

Constructors

Constructor	Description
ByteBufferEncoder(ByteBuffer buf)

Method Summary

Modifier and Type	Method	Description
void	encode16(short s)	Encodes a signed short integer.
void	encode32(int i)	Encodes a signed integer.
void	encode64(long l)	Encodes a signed long integer.
void	encodeBoolean(boolean bool)	Encodes a boolean.
void	encodeByte(byte b)	Encodes a byte.
void	encodeByteArray(byte[] tab)	Encodes a byte array that cannot be null.
void	encodeByteArray(byte[] tab, int offset, int length)	Encodes a byte array that cannot be null.
void	encodeDouble(double d)	Encodes a double.
void	encodeFloat(float f)	Encodes a float.
void	encodeNullableByteArray(byte[] tab)	Encodes a byte array that can be null.
void	encodeNullableByteArray(byte[] tab, int offset, int length)	Encodes a byte array that can be null.
void	encodeNullableString(String str)	Encodes a string that can be null.
private void	encodeNullFlag(Object o)
void	encodeSignedInt(int i)	Encodes a signed integer.
void	encodeSignedLong(long l)	Encodes a signed long integer.
void	encodeSignedShort(short s)	Encodes a signed short integer.
void	encodeString(String str)	Encodes a string that cannot be null.
void	encodeUnsignedInt(int i)	Encodes an unsigned integer.
void	encodeUnsignedLong(long l)	Encodes an unsigned long integer.
void	encodeUnsignedShort(short s)	Encodes an unsigned short integer.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

buf

private ByteBuffer buf

Constructor Detail

ByteBufferEncoder

public ByteBufferEncoder(ByteBuffer buf)

Method Detail

encodeBoolean

public void encodeBoolean(boolean bool)
                   throws Exception

Description copied from interface: Encoder

Encodes a boolean.

Specified by:

encodeBoolean in interface Encoder

Parameters:

bool - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeByte

public void encodeByte(byte b)
                throws Exception

Description copied from interface: Encoder

Encodes a byte.

Specified by:

encodeByte in interface Encoder

Parameters:

b - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeSignedShort

public void encodeSignedShort(short s)
                       throws Exception

Description copied from interface: Encoder

Encodes a signed short integer. The encoding format depends on the implementation.

Specified by:

encodeSignedShort in interface Encoder

Parameters:

s - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeUnsignedShort

public void encodeUnsignedShort(short s)
                         throws Exception

Description copied from interface: Encoder

Encodes an unsigned short integer. The encoding format depends on the implementation.

Specified by:

encodeUnsignedShort in interface Encoder

Parameters:

s - the value to encode

Throws:

Exception - if an error occurs during encoding

encode16

public void encode16(short s)
              throws Exception

Description copied from interface: Encoder

Encodes a signed short integer. The encoding format is the 2's complement representation encoded in 2 bytes.

Specified by:

encode16 in interface Encoder

Parameters:

s - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeSignedInt

public void encodeSignedInt(int i)
                     throws Exception

Description copied from interface: Encoder

Encodes a signed integer. The encoding format depends on the implementation.

Specified by:

encodeSignedInt in interface Encoder

Parameters:

i - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeUnsignedInt

public void encodeUnsignedInt(int i)
                       throws Exception

Description copied from interface: Encoder

Encodes an unsigned integer. The encoding format depends on the implementation.

Specified by:

encodeUnsignedInt in interface Encoder

Parameters:

i - the value to encode

Throws:

Exception - if an error occurs during encoding

encode32

public void encode32(int i)
              throws Exception

Description copied from interface: Encoder

Encodes a signed integer. The encoding format is the 2's complement representation encoded in 4 bytes.

Specified by:

encode32 in interface Encoder

Parameters:

i - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeSignedLong

public void encodeSignedLong(long l)
                      throws Exception

Description copied from interface: Encoder

Encodes a signed long integer. The encoding format depends on the implementation.

Specified by:

encodeSignedLong in interface Encoder

Parameters:

l - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeUnsignedLong

public void encodeUnsignedLong(long l)
                        throws Exception

Description copied from interface: Encoder

Encodes an unsigned long integer. The encoding format depends on the implementation.

Specified by:

encodeUnsignedLong in interface Encoder

Parameters:

l - the value to encode

Throws:

Exception - if an error occurs during encoding

encode64

public void encode64(long l)
              throws Exception

Description copied from interface: Encoder

Encodes a signed long integer. The encoding format is the 2's complement representation encoded in 8 bytes.

Specified by:

encode64 in interface Encoder

Parameters:

l - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeNullFlag

private void encodeNullFlag(Object o)
                     throws Exception

Throws:

Exception

encodeNullableString

public void encodeNullableString(String str)
                          throws Exception

Description copied from interface: Encoder

Encodes a string that can be null. Be careful, since Joram 5.19, by default String are encoded using UTF-8.

Specified by:

encodeNullableString in interface Encoder

Parameters:

str - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeString

public void encodeString(String str)
                  throws Exception

Description copied from interface: Encoder

Encodes a string that cannot be null. Be careful, since Joram 5.19, by default String are encoded using UTF-8.

Specified by:

encodeString in interface Encoder

Parameters:

str - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeNullableByteArray

public void encodeNullableByteArray(byte[] tab)
                             throws Exception

Description copied from interface: Encoder

Encodes a byte array that can be null.

Specified by:

encodeNullableByteArray in interface Encoder

Parameters:

tab - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeByteArray

public void encodeByteArray(byte[] tab)
                     throws Exception

Description copied from interface: Encoder

Encodes a byte array that cannot be null.

Specified by:

encodeByteArray in interface Encoder

Parameters:

tab - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeNullableByteArray

public void encodeNullableByteArray(byte[] tab,
                                    int offset,
                                    int length)
                             throws Exception

Description copied from interface: Encoder

Encodes a byte array that can be null.

Specified by:

encodeNullableByteArray in interface Encoder

Parameters:

tab - the value to encode

offset - the starting index in array b

length - the number of bytes to be encoded

Throws:

Exception - if an error occurs during encoding

encodeByteArray

public void encodeByteArray(byte[] tab,
                            int offset,
                            int length)
                     throws Exception

Description copied from interface: Encoder

Encodes a byte array that cannot be null.

Specified by:

encodeByteArray in interface Encoder

Parameters:

tab - the value to encode

offset - the starting index in array b

length - the number of bytes to be encoded

Throws:

Exception - if an error occurs during encoding

encodeFloat

public void encodeFloat(float f)
                 throws Exception

Description copied from interface: Encoder

Encodes a float.

Specified by:

encodeFloat in interface Encoder

Parameters:

f - the value to encode

Throws:

Exception - if an error occurs during encoding

encodeDouble

public void encodeDouble(double d)
                  throws Exception

Description copied from interface: Encoder

Encodes a double.

Specified by:

encodeDouble in interface Encoder

Parameters:

d - the value to encode

Throws:

Exception - if an error occurs during encoding